/*
 * Copyright 2013 JROSE
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jrose.core.jdbc.datasource;

import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import org.springframework.util.Assert;

@RequiredArgsConstructor
public class RoutingPolicyTemplate {
    @NonNull private final RoutingPolicy routingPolicy;

    public <T> T execute(RoutingPolicyCallback<T> callback) {
        Assert.notNull(callback);
        try {
            CurrentRoutingPolicy.setRoutingPolicy(routingPolicy);
            return callback.doInRoutingPolicy();
        } finally {
            CurrentRoutingPolicy.unsetRoutingPolicy();
        }
    }

    public static <T> T execute(RoutingPolicy policy, RoutingPolicyCallback<T> callback) {
        return new RoutingPolicyTemplate(policy).execute(callback);
    }
}
